html {
  height: 100%;
  box-sizing: border-box;
}
body {
  height: 100%;
}
.container_loading {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  left: 50%;
  transform: translateX(-50%);
  padding: 30px 50px;
  border-radius: 10px;
  background-color: rgba(0,0,0,0.5);
}
